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Fix error log when loading issues caused by a xorm bug (#7271)

Browse source 
* fix error log when loading issues caused by a xorm bug

* upgrade packages

* fix fmt

* fix Consistency

* fix tests
This commit is contained in:
Lunny Xiao 2019-06-23 23:22:43 +08:00 • committed by Lauris BH
parent baefea311f
commit aa7c34cf86
156 changed files with 1854 additions and 1833 deletions
Download patch file Download diff file Expand all files Collapse all files

17
vendor/google.golang.org/appengine/internal/api.go generated vendored
View file

@ -3,7 +3,6 @@
// license that can be found in the LICENSE file.
// +build !appengine
// +build go1.7
package internal
@ -130,7 +129,13 @@ func handleHTTP(w http.ResponseWriter, r *http.Request) {
flushes++
}
c.pendingLogs.Unlock()
go c.flushLog(false)
flushed := make(chan struct{})
go func() {
defer close(flushed)
// Force a log flush, because with very short requests we
// may not ever flush logs.
c.flushLog(true)
}()
w.Header().Set(logFlushHeader, strconv.Itoa(flushes))
// Avoid nil Write call if c.Write is never called.
@ -140,6 +145,9 @@ func handleHTTP(w http.ResponseWriter, r *http.Request) {
if c.outBody != nil {
w.Write(c.outBody)
}
// Wait for the last flush to complete before returning,
// otherwise the security ticket will not be valid.
<-flushed
}
func executeRequestSafely(c *context, r *http.Request) {
@ -571,7 +579,10 @@ func logf(c *context, level int64, format string, args ...interface{}) {
Level: &level,
Message: &s,
})
log.Print(logLevelName[level] + ": " + s)
// Only duplicate log to stderr if not running on App Engine second generation
if !IsSecondGen() {
log.Print(logLevelName[level] + ": " + s)
}
}
// flushLog attempts to flush any pending logs to the appserver.

682
vendor/google.golang.org/appengine/internal/api_pre17.go generated vendored
View file

@ -1,682 +0,0 @@
// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// +build !appengine
// +build !go1.7
package internal
import (
"bytes"
"errors"
"fmt"
"io/ioutil"
"log"
"net"
"net/http"
"net/url"
"os"
"runtime"
"strconv"
"strings"
"sync"
"sync/atomic"
"time"
"github.com/golang/protobuf/proto"
netcontext "golang.org/x/net/context"
basepb "google.golang.org/appengine/internal/base"
logpb "google.golang.org/appengine/internal/log"
remotepb "google.golang.org/appengine/internal/remote_api"
)
const (
apiPath = "/rpc_http"
defaultTicketSuffix = "/default.20150612t184001.0"
)
var (
// Incoming headers.
ticketHeader = http.CanonicalHeaderKey("X-AppEngine-API-Ticket")
dapperHeader = http.CanonicalHeaderKey("X-Google-DapperTraceInfo")
traceHeader = http.CanonicalHeaderKey("X-Cloud-Trace-Context")
curNamespaceHeader = http.CanonicalHeaderKey("X-AppEngine-Current-Namespace")
userIPHeader = http.CanonicalHeaderKey("X-AppEngine-User-IP")
remoteAddrHeader = http.CanonicalHeaderKey("X-AppEngine-Remote-Addr")
// Outgoing headers.
apiEndpointHeader = http.CanonicalHeaderKey("X-Google-RPC-Service-Endpoint")
apiEndpointHeaderValue = []string{"app-engine-apis"}
apiMethodHeader = http.CanonicalHeaderKey("X-Google-RPC-Service-Method")
apiMethodHeaderValue = []string{"/VMRemoteAPI.CallRemoteAPI"}
apiDeadlineHeader = http.CanonicalHeaderKey("X-Google-RPC-Service-Deadline")
apiContentType = http.CanonicalHeaderKey("Content-Type")
apiContentTypeValue = []string{"application/octet-stream"}
logFlushHeader = http.CanonicalHeaderKey("X-AppEngine-Log-Flush-Count")
apiHTTPClient = &http.Client{
Transport: &http.Transport{
Proxy: http.ProxyFromEnvironment,
Dial: limitDial,
},
}
defaultTicketOnce sync.Once
defaultTicket string
)
func apiURL() *url.URL {
host, port := "appengine.googleapis.internal", "10001"
if h := os.Getenv("API_HOST"); h != "" {
host = h
}
if p := os.Getenv("API_PORT"); p != "" {
port = p
}
return &url.URL{
Scheme: "http",
Host: host + ":" + port,
Path: apiPath,
}
}
func handleHTTP(w http.ResponseWriter, r *http.Request) {
c := &context{
req: r,
outHeader: w.Header(),
apiURL: apiURL(),
}
stopFlushing := make(chan int)
ctxs.Lock()
ctxs.m[r] = c
ctxs.Unlock()
defer func() {
ctxs.Lock()
delete(ctxs.m, r)
ctxs.Unlock()
}()
// Patch up RemoteAddr so it looks reasonable.
if addr := r.Header.Get(userIPHeader); addr != "" {
r.RemoteAddr = addr
} else if addr = r.Header.Get(remoteAddrHeader); addr != "" {
r.RemoteAddr = addr
} else {
// Should not normally reach here, but pick a sensible default anyway.
r.RemoteAddr = "127.0.0.1"
}
// The address in the headers will most likely be of these forms:
// 123.123.123.123
// 2001:db8::1
// net/http.Request.RemoteAddr is specified to be in "IP:port" form.
if _, _, err := net.SplitHostPort(r.RemoteAddr); err != nil {
// Assume the remote address is only a host; add a default port.
r.RemoteAddr = net.JoinHostPort(r.RemoteAddr, "80")
}
// Start goroutine responsible for flushing app logs.
// This is done after adding c to ctx.m (and stopped before removing it)
// because flushing logs requires making an API call.
go c.logFlusher(stopFlushing)
executeRequestSafely(c, r)
c.outHeader = nil // make sure header changes aren't respected any more
stopFlushing <- 1 // any logging beyond this point will be dropped
// Flush any pending logs asynchronously.
c.pendingLogs.Lock()
flushes := c.pendingLogs.flushes
if len(c.pendingLogs.lines) > 0 {
flushes++
}
c.pendingLogs.Unlock()
go c.flushLog(false)
w.Header().Set(logFlushHeader, strconv.Itoa(flushes))
// Avoid nil Write call if c.Write is never called.
if c.outCode != 0 {
w.WriteHeader(c.outCode)
}
if c.outBody != nil {
w.Write(c.outBody)
}
}
func executeRequestSafely(c *context, r *http.Request) {
defer func() {
if x := recover(); x != nil {
logf(c, 4, "%s", renderPanic(x)) // 4 == critical
c.outCode = 500
}
}()
http.DefaultServeMux.ServeHTTP(c, r)
}
func renderPanic(x interface{}) string {
buf := make([]byte, 16<<10) // 16 KB should be plenty
buf = buf[:runtime.Stack(buf, false)]
// Remove the first few stack frames:
// this func
// the recover closure in the caller
// That will root the stack trace at the site of the panic.
const (
skipStart = "internal.renderPanic"
skipFrames = 2
)
start := bytes.Index(buf, []byte(skipStart))
p := start
for i := 0; i < skipFrames*2 && p+1 < len(buf); i++ {
p = bytes.IndexByte(buf[p+1:], '\n') + p + 1
if p < 0 {
break
}
}
if p >= 0 {
// buf[start:p+1] is the block to remove.
// Copy buf[p+1:] over buf[start:] and shrink buf.
copy(buf[start:], buf[p+1:])
buf = buf[:len(buf)-(p+1-start)]
}
// Add panic heading.
head := fmt.Sprintf("panic: %v\n\n", x)
if len(head) > len(buf) {
// Extremely unlikely to happen.
return head
}
copy(buf[len(head):], buf)
copy(buf, head)
return string(buf)
}
var ctxs = struct {
sync.Mutex
m map[*http.Request]*context
bg *context // background context, lazily initialized
// dec is used by tests to decorate the netcontext.Context returned
// for a given request. This allows tests to add overrides (such as
// WithAppIDOverride) to the context. The map is nil outside tests.
dec map[*http.Request]func(netcontext.Context) netcontext.Context
}{
m: make(map[*http.Request]*context),
}
// context represents the context of an in-flight HTTP request.
// It implements the appengine.Context and http.ResponseWriter interfaces.
type context struct {
req *http.Request
outCode int
outHeader http.Header
outBody []byte
pendingLogs struct {
sync.Mutex
lines []*logpb.UserAppLogLine
flushes int
}
apiURL *url.URL
}
var contextKey = "holds a *context"
// fromContext returns the App Engine context or nil if ctx is not
// derived from an App Engine context.
func fromContext(ctx netcontext.Context) *context {
c, _ := ctx.Value(&contextKey).(*context)
return c
}
func withContext(parent netcontext.Context, c *context) netcontext.Context {
ctx := netcontext.WithValue(parent, &contextKey, c)
if ns := c.req.Header.Get(curNamespaceHeader); ns != "" {
ctx = withNamespace(ctx, ns)
}
return ctx
}
func toContext(c *context) netcontext.Context {
return withContext(netcontext.Background(), c)
}
func IncomingHeaders(ctx netcontext.Context) http.Header {
if c := fromContext(ctx); c != nil {
return c.req.Header
}
return nil
}
func ReqContext(req *http.Request) netcontext.Context {
return WithContext(netcontext.Background(), req)
}
func WithContext(parent netcontext.Context, req *http.Request) netcontext.Context {
ctxs.Lock()
c := ctxs.m[req]
d := ctxs.dec[req]
ctxs.Unlock()
if d != nil {
parent = d(parent)
}
if c == nil {
// Someone passed in an http.Request that is not in-flight.
// We panic here rather than panicking at a later point
// so that stack traces will be more sensible.
log.Panic("appengine: NewContext passed an unknown http.Request")
}
return withContext(parent, c)
}
// DefaultTicket returns a ticket used for background context or dev_appserver.
func DefaultTicket() string {
defaultTicketOnce.Do(func() {
if IsDevAppServer() {
defaultTicket = "testapp" + defaultTicketSuffix
return
}
appID := partitionlessAppID()
escAppID := strings.Replace(strings.Replace(appID, ":", "_", -1), ".", "_", -1)
majVersion := VersionID(nil)
if i := strings.Index(majVersion, "."); i > 0 {
majVersion = majVersion[:i]
}
defaultTicket = fmt.Sprintf("%s/%s.%s.%s", escAppID, ModuleName(nil), majVersion, InstanceID())
})
return defaultTicket
}
func BackgroundContext() netcontext.Context {
ctxs.Lock()
defer ctxs.Unlock()
if ctxs.bg != nil {
return toContext(ctxs.bg)
}
// Compute background security ticket.
ticket := DefaultTicket()
ctxs.bg = &context{
req: &http.Request{
Header: http.Header{
ticketHeader: []string{ticket},
},
},
apiURL: apiURL(),
}
// TODO(dsymonds): Wire up the shutdown handler to do a final flush.
go ctxs.bg.logFlusher(make(chan int))
return toContext(ctxs.bg)
}
// RegisterTestRequest registers the HTTP request req for testing, such that
// any API calls are sent to the provided URL. It returns a closure to delete
// the registration.
// It should only be used by aetest package.
func RegisterTestRequest(req *http.Request, apiURL *url.URL, decorate func(netcontext.Context) netcontext.Context) (*http.Request, func()) {
c := &context{
req: req,
apiURL: apiURL,
}
ctxs.Lock()
defer ctxs.Unlock()
if _, ok := ctxs.m[req]; ok {
log.Panic("req already associated with context")
}
if _, ok := ctxs.dec[req]; ok {
log.Panic("req already associated with context")
}
if ctxs.dec == nil {
ctxs.dec = make(map[*http.Request]func(netcontext.Context) netcontext.Context)
}
ctxs.m[req] = c
ctxs.dec[req] = decorate
return req, func() {
ctxs.Lock()
delete(ctxs.m, req)
delete(ctxs.dec, req)
ctxs.Unlock()
}
}
var errTimeout = &CallError{
Detail: "Deadline exceeded",
Code: int32(remotepb.RpcError_CANCELLED),
Timeout: true,
}
func (c *context) Header() http.Header { return c.outHeader }
// Copied from $GOROOT/src/pkg/net/http/transfer.go. Some response status
// codes do not permit a response body (nor response entity headers such as
// Content-Length, Content-Type, etc).
func bodyAllowedForStatus(status int) bool {
switch {
case status >= 100 && status <= 199:
return false
case status == 204:
return false
case status == 304:
return false
}
return true
}
func (c *context) Write(b []byte) (int, error) {
if c.outCode == 0 {
c.WriteHeader(http.StatusOK)
}
if len(b) > 0 && !bodyAllowedForStatus(c.outCode) {
return 0, http.ErrBodyNotAllowed
}
c.outBody = append(c.outBody, b...)
return len(b), nil
}
func (c *context) WriteHeader(code int) {
if c.outCode != 0 {
logf(c, 3, "WriteHeader called multiple times on request.") // error level
return
}
c.outCode = code
}
func (c *context) post(body []byte, timeout time.Duration) (b []byte, err error) {
hreq := &http.Request{
Method: "POST",
URL: c.apiURL,
Header: http.Header{
apiEndpointHeader: apiEndpointHeaderValue,
apiMethodHeader: apiMethodHeaderValue,
apiContentType: apiContentTypeValue,
apiDeadlineHeader: []string{strconv.FormatFloat(timeout.Seconds(), 'f', -1, 64)},
},
Body: ioutil.NopCloser(bytes.NewReader(body)),
ContentLength: int64(len(body)),
Host: c.apiURL.Host,
}
if info := c.req.Header.Get(dapperHeader); info != "" {
hreq.Header.Set(dapperHeader, info)
}
if info := c.req.Header.Get(traceHeader); info != "" {
hreq.Header.Set(traceHeader, info)
}
tr := apiHTTPClient.Transport.(*http.Transport)
var timedOut int32 // atomic; set to 1 if timed out
t := time.AfterFunc(timeout, func() {
atomic.StoreInt32(&timedOut, 1)
tr.CancelRequest(hreq)
})
defer t.Stop()
defer func() {
// Check if timeout was exceeded.
if atomic.LoadInt32(&timedOut) != 0 {
err = errTimeout
}
}()
hresp, err := apiHTTPClient.Do(hreq)
if err != nil {
return nil, &CallError{
Detail: fmt.Sprintf("service bridge HTTP failed: %v", err),
Code: int32(remotepb.RpcError_UNKNOWN),
}
}
defer hresp.Body.Close()
hrespBody, err := ioutil.ReadAll(hresp.Body)
if hresp.StatusCode != 200 {
return nil, &CallError{
Detail: fmt.Sprintf("service bridge returned HTTP %d (%q)", hresp.StatusCode, hrespBody),
Code: int32(remotepb.RpcError_UNKNOWN),
}
}
if err != nil {
return nil, &CallError{
Detail: fmt.Sprintf("service bridge response bad: %v", err),
Code: int32(remotepb.RpcError_UNKNOWN),
}
}
return hrespBody, nil
}
func Call(ctx netcontext.Context, service, method string, in, out proto.Message) error {
if ns := NamespaceFromContext(ctx); ns != "" {
if fn, ok := NamespaceMods[service]; ok {
fn(in, ns)
}
}
if f, ctx, ok := callOverrideFromContext(ctx); ok {
return f(ctx, service, method, in, out)
}
// Handle already-done contexts quickly.
select {
case <-ctx.Done():
return ctx.Err()
default:
}
c := fromContext(ctx)
if c == nil {
// Give a good error message rather than a panic lower down.
return errNotAppEngineContext
}
// Apply transaction modifications if we're in a transaction.
if t := transactionFromContext(ctx); t != nil {
if t.finished {
return errors.New("transaction context has expired")
}
applyTransaction(in, &t.transaction)
}
// Default RPC timeout is 60s.
timeout := 60 * time.Second
if deadline, ok := ctx.Deadline(); ok {
timeout = deadline.Sub(time.Now())
}
data, err := proto.Marshal(in)
if err != nil {
return err
}
ticket := c.req.Header.Get(ticketHeader)
// Use a test ticket under test environment.
if ticket == "" {
if appid := ctx.Value(&appIDOverrideKey); appid != nil {
ticket = appid.(string) + defaultTicketSuffix
}
}
// Fall back to use background ticket when the request ticket is not available in Flex or dev_appserver.
if ticket == "" {
ticket = DefaultTicket()
}
req := &remotepb.Request{
ServiceName: &service,
Method: &method,
Request: data,
RequestId: &ticket,
}
hreqBody, err := proto.Marshal(req)
if err != nil {
return err
}
hrespBody, err := c.post(hreqBody, timeout)
if err != nil {
return err
}
res := &remotepb.Response{}
if err := proto.Unmarshal(hrespBody, res); err != nil {
return err
}
if res.RpcError != nil {
ce := &CallError{
Detail: res.RpcError.GetDetail(),
Code: *res.RpcError.Code,
}
switch remotepb.RpcError_ErrorCode(ce.Code) {
case remotepb.RpcError_CANCELLED, remotepb.RpcError_DEADLINE_EXCEEDED:
ce.Timeout = true
}
return ce
}
if res.ApplicationError != nil {
return &APIError{
Service: *req.ServiceName,
Detail: res.ApplicationError.GetDetail(),
Code: *res.ApplicationError.Code,
}
}
if res.Exception != nil || res.JavaException != nil {
// This shouldn't happen, but let's be defensive.
return &CallError{
Detail: "service bridge returned exception",
Code: int32(remotepb.RpcError_UNKNOWN),
}
}
return proto.Unmarshal(res.Response, out)
}
func (c *context) Request() *http.Request {
return c.req
}
func (c *context) addLogLine(ll *logpb.UserAppLogLine) {
// Truncate long log lines.
// TODO(dsymonds): Check if this is still necessary.
const lim = 8 << 10
if len(*ll.Message) > lim {
suffix := fmt.Sprintf("...(length %d)", len(*ll.Message))
ll.Message = proto.String((*ll.Message)[:lim-len(suffix)] + suffix)
}
c.pendingLogs.Lock()
c.pendingLogs.lines = append(c.pendingLogs.lines, ll)
c.pendingLogs.Unlock()
}
var logLevelName = map[int64]string{
0: "DEBUG",
1: "INFO",
2: "WARNING",
3: "ERROR",
4: "CRITICAL",
}
func logf(c *context, level int64, format string, args ...interface{}) {
if c == nil {
panic("not an App Engine context")
}
s := fmt.Sprintf(format, args...)
s = strings.TrimRight(s, "\n") // Remove any trailing newline characters.
c.addLogLine(&logpb.UserAppLogLine{
TimestampUsec: proto.Int64(time.Now().UnixNano() / 1e3),
Level: &level,
Message: &s,
})
log.Print(logLevelName[level] + ": " + s)
}
// flushLog attempts to flush any pending logs to the appserver.
// It should not be called concurrently.
func (c *context) flushLog(force bool) (flushed bool) {
c.pendingLogs.Lock()
// Grab up to 30 MB. We can get away with up to 32 MB, but let's be cautious.
n, rem := 0, 30<<20
for ; n < len(c.pendingLogs.lines); n++ {
ll := c.pendingLogs.lines[n]
// Each log line will require about 3 bytes of overhead.
nb := proto.Size(ll) + 3
if nb > rem {
break
}
rem -= nb
}
lines := c.pendingLogs.lines[:n]
c.pendingLogs.lines = c.pendingLogs.lines[n:]
c.pendingLogs.Unlock()
if len(lines) == 0 && !force {
// Nothing to flush.
return false
}
rescueLogs := false
defer func() {
if rescueLogs {
c.pendingLogs.Lock()
c.pendingLogs.lines = append(lines, c.pendingLogs.lines...)
c.pendingLogs.Unlock()
}
}()
buf, err := proto.Marshal(&logpb.UserAppLogGroup{
LogLine: lines,
})
if err != nil {
log.Printf("internal.flushLog: marshaling UserAppLogGroup: %v", err)
rescueLogs = true
return false
}
req := &logpb.FlushRequest{
Logs: buf,
}
res := &basepb.VoidProto{}
c.pendingLogs.Lock()
c.pendingLogs.flushes++
c.pendingLogs.Unlock()
if err := Call(toContext(c), "logservice", "Flush", req, res); err != nil {
log.Printf("internal.flushLog: Flush RPC: %v", err)
rescueLogs = true
return false
}
return true
}
const (
// Log flushing parameters.
flushInterval = 1 * time.Second
forceFlushInterval = 60 * time.Second
)
func (c *context) logFlusher(stop <-chan int) {
lastFlush := time.Now()
tick := time.NewTicker(flushInterval)
for {
select {
case <-stop:
// Request finished.
tick.Stop()
return
case <-tick.C:
force := time.Now().Sub(lastFlush) > forceFlushInterval
if c.flushLog(force) {
lastFlush = time.Now()
}
}
}
}
func ContextForTesting(req *http.Request) netcontext.Context {
return toContext(&context{req: req})
}

47
vendor/google.golang.org/appengine/internal/identity.go generated vendored
View file

@ -4,11 +4,52 @@
package internal
import netcontext "golang.org/x/net/context"
import (
"os"
// These functions are implementations of the wrapper functions
// in ../appengine/identity.go. See that file for commentary.
netcontext "golang.org/x/net/context"
)
var (
// This is set to true in identity_classic.go, which is behind the appengine build tag.
// The appengine build tag is set for the first generation runtimes (<= Go 1.9) but not
// the second generation runtimes (>= Go 1.11), so this indicates whether we're on a
// first-gen runtime. See IsStandard below for the second-gen check.
appengineStandard bool
// This is set to true in identity_flex.go, which is behind the appenginevm build tag.
appengineFlex bool
)
// AppID is the implementation of the wrapper function of the same name in
// ../identity.go. See that file for commentary.
func AppID(c netcontext.Context) string {
return appID(FullyQualifiedAppID(c))
}
// IsStandard is the implementation of the wrapper function of the same name in
// ../appengine.go. See that file for commentary.
func IsStandard() bool {
// appengineStandard will be true for first-gen runtimes (<= Go 1.9) but not
// second-gen (>= Go 1.11).
return appengineStandard || IsSecondGen()
}
// IsStandard is the implementation of the wrapper function of the same name in
// ../appengine.go. See that file for commentary.
func IsSecondGen() bool {
// Second-gen runtimes set $GAE_ENV so we use that to check if we're on a second-gen runtime.
return os.Getenv("GAE_ENV") == "standard"
}
// IsFlex is the implementation of the wrapper function of the same name in
// ../appengine.go. See that file for commentary.
func IsFlex() bool {
return appengineFlex
}
// IsAppEngine is the implementation of the wrapper function of the same name in
// ../appengine.go. See that file for commentary.
func IsAppEngine() bool {
return IsStandard() || IsFlex()
}

4
vendor/google.golang.org/appengine/internal/identity_classic.go generated vendored
View file

@ -12,6 +12,10 @@ import (
netcontext "golang.org/x/net/context"
)
func init() {
appengineStandard = true
}
func DefaultVersionHostname(ctx netcontext.Context) string {
c := fromContext(ctx)
if c == nil {

11
vendor/google.golang.org/appengine/internal/identity_flex.go generated vendored Normal file
View file

@ -0,0 +1,11 @@
// Copyright 2018 Google LLC. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// +build appenginevm
package internal
func init() {
appengineFlex = true
}

1
vendor/google.golang.org/appengine/internal/main.go generated vendored
View file

@ -11,5 +11,6 @@ import (
)
func Main() {
MainPath = ""
appengine_internal.Main()
}

7
vendor/google.golang.org/appengine/internal/main_common.go generated vendored Normal file
View file

@ -0,0 +1,7 @@
package internal
// MainPath stores the file path of the main package. On App Engine Standard
// using Go version 1.9 and below, this will be unset. On App Engine Flex and
// App Engine Standard second-gen (Go 1.11 and above), this will be the
// filepath to package main.
var MainPath string

21
vendor/google.golang.org/appengine/internal/main_vm.go generated vendored
View file

@ -12,9 +12,12 @@ import (
"net/http"
"net/url"
"os"
"path/filepath"
"runtime"
)
func Main() {
MainPath = filepath.Dir(findMainPath())
installHealthChecker(http.DefaultServeMux)
port := "8080"
@ -31,6 +34,24 @@ func Main() {
}
}
// Find the path to package main by looking at the root Caller.
func findMainPath() string {
pc := make([]uintptr, 100)
n := runtime.Callers(2, pc)
frames := runtime.CallersFrames(pc[:n])
for {
frame, more := frames.Next()
// Tests won't have package main, instead they have testing.tRunner
if frame.Function == "main.main" || frame.Function == "testing.tRunner" {
return frame.File
}
if !more {
break
}
}
return ""
}
func installHealthChecker(mux *http.ServeMux) {
// If no health check handler has been installed by this point, add a trivial one.
const healthPath = "/_ah/health"